Pressure Gradients
Only works on predominantly south winds.
Pressure Gradient Bellingham Bay South Wind Predictor
Gradient (forecast for the whole day) from Boeing Field to Bellingham
One of the charts on this page (scroll down at bit to see it?)…We need to observe this one more to see if we get any value out of it or if it just covers too long of a stretch to be a useful indicator.
The link below is 3 day airport weather forecast - the wind on Bellingham Bay is typically stronger